HEX atlas value

#667F1A

#667F1A is a cool green HEX color close to Fern Frond. According to Colors Encyclopedia, it converts to RGB 102, 127, 26, HSL 75, 66%, 30%, has luminance 0.1808, and belongs to the jewel tone group.

green cool jewel-tone

#667F1A Sample readable text

HEX #667F1A

RGB rgb(102, 127, 26)

HSL hsl(75 66% 30%)

CMYK cmyk(20, 0, 80, 50)

Luminance 0.1808

Contrast Black 4.62:1White 4.55:1

CSS

--color-667f1a: #667F1A;
.background-667f1a { background-color: #667F1A; }
.text-667f1a { color: #667F1A; }

Luminance0.1808

Black text4.62:1AA Pass

White text4.55:1AA Pass

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#667F1A","rgb":[102,127,26],"hsl":[75,66,30],"cmyk":[20,0,80,50],"luminance":0.1808,"contrast":{"black":4.62,"white":4.55}}

WCAG

{"AA":["#000000","#FFFFFF"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.62,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.55,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#29330A","hex":"#29330A","family":"green","bestTextColor":"#FFFFFF","contrastBlack":1.57,"contrastWhite":13.36,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#331A7F","hex":"#331A7F","family":"purple","bestTextColor":"#FFFFFF","contrastBlack":1.59,"contrastWhite":13.17,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#A3CB2A","hex":"#A3CB2A","family":"green","bestTextColor":"#000000","contrastBlack":11.13,"contrastWhite":1.89,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#6E9009","hex":"#6E9009","family":"green","bestTextColor":"#000000","contrastBlack":5.66,"contrastWhite":3.71,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]},{"name":"#5D6E2B","hex":"#5D6E2B","family":"green","bestTextColor":"#FFFFFF","contrastBlack":3.73,"contrastWhite":5.63,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]}]

AI context

{"semanticGroups":["cool green","jewel tone","jewel tone green","Fern Frond adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","rich accent palettes","botanical and wellness palettes"],"contrastSafeWith":["#000000","#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/667f1a.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/fern-frond.json","https://www.colorsencyclopedia.com/api/colors/olive-drab.json","https://www.colorsencyclopedia.com/api/colors/olive-leaf.json"]}

Harmonies

{"complementary":"#331A7F","analogous":["#7F661A","#337F1A"],"triadic":["#1A667F","#7F1A66"],"tetradic":["#1A7F66","#331A7F","#7F1A33"],"splitComplementary":["#1A337F","#661A7F"],"monochromatic":["#A3CB2A","#667F1A","#29330A"]}

Variants

{"light":"#A3CB2A","dark":"#29330A","saturated":"#6E9009","desaturated":"#5D6E2B","pastel":"#AAC752","neon":"#91C200"}

Nearest named colors

[{"slug":"fern-frond","name":"Fern Frond","hex":"#657220","distance":14.352700094407323},{"slug":"olive-drab","name":"Olive Drab","hex":"#6B8E23","distance":18.193405398660254},{"slug":"olive-leaf","name":"Olive Leaf","hex":"#6B8E23","distance":18.193405398660254},{"slug":"avocado","name":"Avocado","hex":"#568203","distance":28.178005607210743},{"slug":"olive-green","name":"Olive Green","hex":"#708238","distance":31.76476034853718}]

HEX meaning and use

About #667F1A

#667F1A is classified as a cool green value with jewel tone visual character. #667F1A is visually closest to Fern Frond, a named green color with HEX #657220.

The RGB channels are 102, 127, and 26, with green carrying the strongest channel weight. In HSL, the hue is 75deg with 66% saturation and 30% lightness, so this page treats it as a moderate-saturation, dark atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and rich accent palettes. Its luminance is 0.1808, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 14.35, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.62:1AA Pass

White text4.55:1AA Pass

AA text options: #000000, #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #667F1A needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.62:1 · AA

White text#FFFFFF4.55:1 · AA

Accessible Alternatives

#29330A#FFFFFF text · best 13.36:1#29330A

#331A7F#FFFFFF text · best 13.17:1#331A7F

#A3CB2A#000000 text · best 11.13:1#A3CB2A

#6E9009#000000 text · best 5.66:1#6E9009

#5D6E2B#FFFFFF text · best 5.63:1#5D6E2B

Generated Palette

#667F1A#667F1A

#331A7F#331A7F

#7F661A#7F661A

#337F1A#337F1A

#A3CB2A#A3CB2A

#29330A#29330A

Color Harmonies

#331A7F#331A7F

#7F661A#7F661A

#337F1A#337F1A

#1A667F#1A667F

#7F1A66#7F1A66

Variants

#A3CB2A#A3CB2A

#29330A#29330A

#6E9009#6E9009

#5D6E2B#5D6E2B

#AAC752#AAC752

#91C200#91C200

Nearest Named Colors

Fern Frond#657220

Olive Drab#6B8E23

Olive Leaf#6B8E23

Avocado#568203

Olive Green#708238

#667F1A

CSS

Machine-Readable HEX Data (JSON)

About #667F1A

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides